Solve for x. round ur anwser to the nearest tenth

Anthony is making a collage for his art class my picking shapes randomly. he has five squares, two triangles, two ovals, and four circles. find p( circle is chosen first)

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.